Otto reached its apex rank of #67 in the U.S. in the 1880s, and is at #543 presently. (2015 U.S. SSA RECORDS)
Which version is better?with its variant forms and related boy names. Odis, Otha, Otho and Ottis are the popular alternative forms of Otto (#543 LAST YEAR) listed in the Top 2000. These relations of Otto were favored 135 years ago (ADOPTION OF 0.3%) and have become significantly less common since, with forms like Ottis becoming less trendy.
Otto▼ is alike in pronunciation to Itai and Ittai. Other suggested similar names are Alto, Arto, Cato, Guto, Kato, Oro, Orton, Otis▼, Rito, Tito and Vito▼. These names tend to be less commonly used than Otto.See names in meaning and etymology.